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See detailPeasant responses to agricultural land conversion and mechanism of rural social differentiation in Hung Yen province, Northern Vietnam
Nguyen Thi, Dien; Vu Dinh, Ton; Lebailly, Philippe ULg

Conference (2011)

Agricultural accumulation has been one of the main source determined the social differentiation in Vietnamese countryside. The complexities of agrarian changes under the post - socialist industrialization ... [more ▼]

Agricultural accumulation has been one of the main source determined the social differentiation in Vietnamese countryside. The complexities of agrarian changes under the post - socialist industrialization with high rate of agricultural land conversion in recent context reveal the new forms of capital accumulation and social differentiation. This research investigates how land conversion process to industrial zones and clusters affected to the way that different groups of peasant households accumulate their resources. The study was carried out in 3 districts of Hung Yen province from 2006 to 2010. The study results are as follows: first, the land conversion to industrialization has impact on not only the decline of household landholdings but also the changes value of land which are the sources of social conflicts and informal land transfer. Second, in the context of land conversion to industrialization with tiny plots of land, low return from agricultural production and more opportunities of non-farm activities, even when non-farm employment is very profitable, peasant households are not likely to give up their land but maintaining agricultural production for not only their basic and secure livelihood but also for their identity. Third, among the affected peasant groups, the households with non-farm background tend to be in better position in engaging to high - earning activities. They are likely the rich peasants in opposed to the poor group with farming background and lost more than 50% of their agricultural land. This research has showed that the industrialization policies have to deal with the proportion of agricultural land would be transferred for industrialization zones and other measures in order to limit the conflicts as well as the social differentiation in countryside. [less ▲]

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See detailTerritorial observation (T3) - Discussion report
Breuer, Christophe ULg

Conference (2011)

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See detailHay transfer to restore rupestrian fields, physiognomy of Cerrado threatened by land-use changes
Le Stradic, Soizig ULg; Buisson, Elise; Fernandes, Geraldo Wilson

Conference (2011)

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See detailRelationships between the structure of P-doped TiO2 xerogels and their photocatalytic properties
Bodson, Céline ULg; Cattoën, Xavier; Bied, Catherine et al

Conference (2011)

TiO2 heterogeneous photocatalysis has been the subject of numerous recent investigations as it is an attractive technique for the complete destruction of undesirable contaminants both in aqueous and ... [more ▼]

TiO2 heterogeneous photocatalysis has been the subject of numerous recent investigations as it is an attractive technique for the complete destruction of undesirable contaminants both in aqueous and gaseous phase by using solar or artificial light illumination. However, TiO2-based materials present a large band gap and therefore only a small fraction of solar light, in the UV region, can be utilized. Furthermore, anatase-TiO2 transforms to the rutile structure at temperatures relatively lower, which greatly reduces surface areas of the particles resulting in the decrease in photocatalytic ability of TiO2. To counter both disadvantages, several studies have been conducted by doping non-metallic elements, such as phosphor, into the Ti-O framework to form TiO2 solutions. In the present study, a sol-gel method is developed to synthesize P-doped TiO2 xerogels by a cogelation method based on the hydrolysis and the condensation of Ti(OC3H7)4 with functionalized P alkoxides: NH2-(CH2)2-NH-(CH2)2-P(O)-(OC2H5)2, or (C2H5O)2-P(O)-(CH2)7-CH3, in various alcohols. These xerogels are dried at 150°C under vacuum for 24 h, and calcined under air for 6 h at 350°C, 450°C, 550°C and 650°C. The resulting materials were characterized by TG-ATD, TEM, XRD, nitrogen adsorption-desorption isotherms, FT-IR and diffuse reflectance measurements in the UV/Vis region. It was found that the phosphor-doped species could significantly increase the surface area of the materials. Moreover, the phosphor-doping improved the thermal stability of titania and decreased the phase transformation of anatase to rutile. Diffuse reflectance measurements proved that the modification by phosphor shifted the absorption edge of titania to the visible region, making it an effective photocatalyst in visible light. This is shown by the degradation of p-nitrophenol under visible light irradiation. The excellent photocatalytic activity of P-doped TiO2 xerogels compared to pure TiO2 could be explained by its high surface area and small crystallite size. [less ▲]

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See detailExploring the nucleon structure through GPDs and TDAs in hard exclusive processes
Pire, Bernard; Semenov-Tyan-Shanskiy, Kirill ULg; Szymanowski, Lech et al

Conference (2011)

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See detailSimulation of Reactive Extraction Columns Based on Lab-scale Experiments with Single Drops
Kalem, Murat; Buchbender, Florian; Pfennig, Andreas ULg

Conference (2011)

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See detailPrevention of bacterial biofilms onto stainless steel substrates by immobilization of antimicrobial and anti-biofilm biomolecules
Vreuls, Christelle ULg; Zocchi, Germaine ULg; Faure, Emilie ULg et al

Conference (2011)

Stainless steel is widely used in the daily life in building and food industries as well as in the medical field. However, at long term, bacteria succeed in adhering, proliferating and forming a resistant ... [more ▼]

Stainless steel is widely used in the daily life in building and food industries as well as in the medical field. However, at long term, bacteria succeed in adhering, proliferating and forming a resistant biofilm on stainless steel. Therefore, surface modification is needed providing metal surface with antibacterial, anti-adhesion and easy cleaning properties. Several biomolecules (antimicrobial peptides, antiadhesion biomolecules and anti-biofilm enzymes) were immobilized on stainless steel thanks to different immobilization techniques. In a first approach, cationic peptides have been embedded in a LBL architecture comprising anti-adhesion biomolecules. In a second approach, small inorganic-binding peptides isolated by phage display technology and recognizing specifically the steel surface were used as linker for antimicrobial peptide immobilization. Finally, antibacterial peptides were covalently grafted onto an organic-polymeric interlayer deposited by plasma. Resulting antibacterial, antiadhesion and anti-biofilm properties were characterized and the advantages of each immobilization technique were documented. The biocidal effect of these surfaces was demonstrated against Gram+/- bacteria. Coated stainless steel surfaces led to 95% reduction of S. epidermidis adhesion vs bare substrate. By combining both antibacterial and anti-adhesion biomolecules, we produced stainless steel surfaces with better cleanability. A biofilm-releasing glycoside hydrolase was also immobilized on the surface and showed to confer anti-biofilm properties to stainless steel. Moreover, we provide valuable insight about the resistance of the coating to close to real life cleaning conditions. [less ▲]

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See detailHow to measure GFR in the year 2011?
DELANAYE, Pierre ULg

Conference (2011)

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See detailGeneration of all symmetric as well as all total angular momentum eigenstates in photonic or matter qubits
von Zanthier, J.; Maser, A.; Wiegner, R. et al

Conference (2011)

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See detailAvoiding congestion in freight transport planning: a case study in Flanders
Caris, An; Cools, Mario ULg; Debels, Dieter

Conference (2011)

A substantial increase in transport intensity for passenger and freight traffic has been observed during the last decades and research confirms that this trend will continue in the years to come. Economic ... [more ▼]

A substantial increase in transport intensity for passenger and freight traffic has been observed during the last decades and research confirms that this trend will continue in the years to come. Economic centres have turned into heavily congested areas. The freight transport sector incurs excessive waiting times on the road as well as at intermediate stops (e.g. sea terminals, loading or unloading points). This may cause economic losses and environmental damages. Waiting times may be avoided by taking into account congestion in freight transport planning. Vehicle routing problems arise when several pickup and delivery operations need to be performed, mainly by truck, over relatively short distances [1]. Congestion leads to uncertain travel times on links and uncertain waiting times at pickup or delivery locations. Peak hours may be avoided on congested road segments by changing the order in which customers are served. On the other hand, time slots at customer sites may be renegotiated, creating more flexibility to avoid congestion on the road and at customer stops. The objective of this paper is to estimate the benefits of taking congestion into account in transport planning and to quantify the impact of delivery restrictions on transport costs. A highly congested road network raises the need for robust vehicle routing decisions. Current traffic conditions give rise to uncertain travel times. The reliability of travel time on a route is one of the dominant factors affecting route and departure time choices in passenger transport [2]. Similarly, in freight transport the reliability of travel times may be taken into account when planning vehicle routes. In this paper congestion is modelled as time-dependent travel times. These travel times take into account the dynamics of the time lost due to congestion using the Bureau of Public Roads (BPR) function, which is commonly-used for relating travel times to increases in travel volume [3]. The Time Dependent Vehicle Routing Problem (TDVRP) will be studied as a deterministic planning problem taking into account peak hour traffic congestion. Solution methods for the TDVRP have been focused on heuristic approaches [4, 5, 6, 7]. Kok [8] applies a restricted dynamic programming heuristic to solve a TDVRP. In this paper a heuristic algorithm will be presented to solve problem instances of realistic size. Next, this algorithm will be applied to perform a sensitivity analysis to identify which congestion avoiding strategies have a large influence on the objective function. Shippers may adapt the way they plan their transport as a strategy to avoid congestion. For example, time windows at customer locations may be renegotiated, departure times at the depot may be questioned or the assignment of customers to routes and the order in which customers are served may be changed. The proposed methodology will be demonstrated with a Flemish case study. [less ▲]

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See detailDiscovery and characterization of an ozone layer in Venus’atmosphere
Montmessin, F.; Bertaux, J.-L.; Lefèvre, F. et al

Conference (2011)

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See detailLa formalisation de la GRH dans une PME comme enjeu d’une certification RSE
El Abboubi, Manal; Cornet, Annie ULg

Conference (2011)

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See detailInorganic carbon in the Tana River Basin (Kenya): Distribution, composition and process rates
Van den Meersche, K.; Tamooh, F.; Meysman, F. et al

Conference (2011)

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See detailBrain natriuretic peptide in asymptomatic degenerative mitral regurgitation: determinants and impact on outcome.
Van de Heyning, C; Magne, Julien ULg; Mahjoub, H et al

Conference (2011)

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See detailL'esthétique nietzschéenne : une médecine de la civilisation
Remacle, François ULg

Conference (2011)

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See detailThe effect of symmetric/asymmetric TAG ratio on the crystallization properties and storage stability of fat blends
DeGraef, V.; Vereecken, J.; Danthine, Sabine ULg et al

Conference (2011)

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See detailEtude d'art mobilier en laboratoire par des techniques non destructives : analyse par faisceau d'ions et micro-diffraction pour caractériser les pigments préhistoriques et identifier leurs origines. Exemples de l'abri Pataud (Dordogne) et d'Arcy- sur-Cure (Yonne)
Beck, Lucile; Grégoire, Sylvain; Lebon, Matthieu et al

Conference (2011)

Les pigments préhistoriques sont formés à partir de composés naturels tels les d’oxydes de fer ou les oxydes de manganèse. Ils ont été collectés par les hommes préhistoriques dans leur environnement ... [more ▼]

Les pigments préhistoriques sont formés à partir de composés naturels tels les d’oxydes de fer ou les oxydes de manganèse. Ils ont été collectés par les hommes préhistoriques dans leur environnement proche ou parfois à de grandes distances. Connaître leur provenance géographique, ou à défaut établir des relations entre matière première retrouvée en fouille et objets archéologiques décorés, pourraient permettre de retracer la mobilité des populations et d’appréhender les choix techniques opérés ou la mise en place des décors.Ces relations et provenances peuvent être établies à partir de la composition chimique des matériaux employés. Il a été notamment démontré, que pour les obsidiennes ou les minéraux précieux tels les grenats ou les rubis, la nature et la concentration des éléments traces sont caractéristiques des milieux géologiques dans lesquels ils ont été formés. Dans le cadre de Madapca, la même démarche a été appliquée aux pigments préhistoriques. Elle s’appuie principalement sur la méthode d’analyse non destructive PIXE (Particule Induced X-ray Emission) et a été développée pour des pigments provenant des sites d’Arcy sur Cure (Châtelperronien, 32 000 BP) et de l’Abri Pataud (niveau Proto-Magdalénien, 22 000 BP). L’analyse élémentaire des éléments majeurs, mineurs et traces a permis de mettre en évidence des groupes de pigments de composition distincte au sein des niveaux archéologiques étudiés, et donc l’utilisation de sources de matière premières différentes. Dans le cas de l’Abri Pataud (Dordogne), il a été possible d’établir des correspondances entre la composition chimique des blocs de matière première composés d’oxydes de fer et celle des décors peints sur des éléments mobiliers ou sur les écailles ornées provenant de l’effondrement du plafond de l’abri. Dans le cas d’Arcy-sur-Cure (Yonne), nous avons pu montrer que la teneur en éléments traces variaient en fonction de la provenance des blocs de pigments rouges et noirs, trouvés en nombre dans la grotte du Renne. Cette étude démontre l’intérêt des techniques de spectrométrie X pour la différentiation des matériaux colorants utilisés en contexte préhistorique. [less ▲]

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See detailSocial policy Challenges in Belgium
Jousten, Alain ULg

Conference (2011)

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See detailMystique, science, politique : trois voies pour l'humanité ?
Caeymaex, Florence ULg

Conference (2011)

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See detailLes festivals et la transformation du champ théâtral en Belgique
Delhalle, Nancy ULg

Conference (2011)

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See detailArsenic-doped Ge-spiked monoemitter SiGe:C HBTs by means of low-temperature trisilane based epitaxy
You, Shuzhen; Decoutere, Stefaan; Nguyen, Ngoc Duy ULg et al

Conference (2011)

Detailed reference viewed: 41 (1 ULg)
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See detailThermo-hydro-mechanical simulation of a heating and hydration experimental study (the China-Mock-up) in GMZ bentonite
Chen, L.; Wang, J.; Liu, Y.M. et al

Conference (2011)

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See detailHPV triggers NK cell cytotoxic activity and cytokine secretion
Jacobs, Nathalie ULg; Renoux, Virginie ULg; Bisig, Bettina ULg et al

Conference (2011)

Background The immune system controls, at least partially, human papillomavirus (HPV) infection and subsequent tumor development as demonstrated by a higher tumor prevalence in immunodeficient patients ... [more ▼]

Background The immune system controls, at least partially, human papillomavirus (HPV) infection and subsequent tumor development as demonstrated by a higher tumor prevalence in immunodeficient patients. Around 90% of HPV-infected women will clear the virus within two years. However, it remains unclear which immune cells are implicated in this process and no study has been performed evaluating the direct interaction between HPV and Natural Killer (NK) cells although these cells play a key role in host resistance to virus and tumor. Methods/Results By immunochemistry, we demonstrated an NK cell infiltration in HPV+ squamous pre-neoplasic lesions. Since HPV cannot grow in vitro, virus-like particles (VLP) were used as a model for studying the NK cell response against the virus. Interestingly, NK cells displayed a higher cytotoxic activity (CD107 and chromium release assays) and cytokine production (TNF-α and IFN-γ) in the presence of HPV-VLP. Uptake of HPV-VLP by dendritic cells (DC) has been shown to induce their activation, therefore, we investigated by flow cytometry and microscopy whether the stimulation of NK cell activity is linked to VLP internalization. We observed a faster entry into these cells compared to DC. Furthermore, virus uptake by NK cells is mediated by macropinocytosis, whereas this entry is dependent on clathrin or caveolin endocytosis pathways in DC. Using NK cell lines expressing or not CD16 and blocking antibody, we demonstrated that CD16 is necessary for HPV-VLP internalization, but also for degranulation and cytokine production. Conclusion Thus, we show for the first time that NK cells interact with HPV and could participate in the immune response against HPV-induced tumors. [less ▲]

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See detailLa gestion de la diversité dans les entreprises et les organisations
Cornet, Annie ULg

Conference (2011)

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See detailCubeSat Activities at the University of Liège
Denis, Amandine ULg; Pisane, Jonathan ULg; Verly, Jacques ULg et al

Conference (2011)

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See detailN-type and p-type ultra shallow junctions by atomic layer epitaxy and laser anneal
Nguyen, Ngoc Duy ULg; Souriau, Laurent; Shimizu, Yasuo et al

Conference (2011)

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See detailSuper-heated Steam Drying: an Innovation of Clean Coal Technology for Lignite-fired Power Plant
Li, Sheng; Jiang, Bing; Shi, Yongchun et al

Conference (2011)

A comprehensive overview of the status of lignite pre-drying technology is given in this study. The practical problems of high energy consumption, high investment and poor safety exist in the lignite ... [more ▼]

A comprehensive overview of the status of lignite pre-drying technology is given in this study. The practical problems of high energy consumption, high investment and poor safety exist in the lignite drying using the traditional thermal drying, for the reason that the super-heated steam drying technology for lignite is put forward. The mechanism experiment research and pilot-scale test research of the super-heated steam drying technology for lignite were carried out, and the results show that the drying efficiency of the super-heated steam is better than the hot air at given conditions, the lignite drying can be accomplished stably and continuously and the drying product can meet the requirement of the industrial application of the lignite fired power plant. A more innovative approach as a new lignite Super-heated steam low-rank Coal Upgrading (SCU) is proposed by Energy Conservation Research Center of Shandong Academy of Sciences. The technical advancement in terms of energy-saving and safety among the applied technogies are compared and analyzed, and the results show this techonogy has the advantages of low energy consumption, high safety and energy saving. To sum up, the exploitation of the super-heated steam drying technology for lignite fired power plant can promote the development of the energy and power industry, and the technology has wide application prospect. [less ▲]

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See detailEvolution de la pauvreté au Vietnam : quelques réflexions
Mai, Lan Phuong ULg; Lebailly, Philippe ULg; Nguyen Mau, Dung

Conference (2011)

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See detailTowards Laser Cooling of Iron Atoms
Bastin, Thierry ULg

Conference (2011)

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See detailEulerian Formulation of a Drillstring Constrained inside a Curved Borehole
Denoël, Vincent ULg; Detournay, Emmanuel

Conference (2011)

Detailed reference viewed: 30 (6 ULg)
See detailMicrosporidia parasites in Gammarid: a confounding factor in the evaluation of cadmium toxicity
Gismondi, Eric ULg; Rigaud, Thierry; Beisel, Jean-Nicolas et al

Conference (2011)

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See detailNew method for photovoltaic solar cell physical parameters extraction
Aazou, Safae ULg; Ibral, A.; Assaid, M. et al

Conference (2011)

Photovoltaic energy is one of the most important renewable energies. This type of energy, unlike other energy sources, is clean, safe, and abundant. The photovoltaic solar energy is based on the ... [more ▼]

Photovoltaic energy is one of the most important renewable energies. This type of energy, unlike other energy sources, is clean, safe, and abundant. The photovoltaic solar energy is based on the conversion of sunlight into direct current by solar cells. In order to increase the efficiency of the photovoltaic conversion and for a better understanding of the solar cell behavior, an accurate knowledge of the cell physical parameters is required. In this work, the solar cell is considered as a generator and the one-diode equivalent circuit is retained. This electronic circuit modeling the solar cell contains a diode with its reverse saturation current and its ideality factor, parasitic series and shunt resistances and a photocurrent generator. In this paper, a new physical parameters extraction method is presented, for the first time to our knowledge, which is based on the current-voltage characteristics and on the analytical expression of the output voltage given in term of the Lambert W function. This method gives all the physical parameters without any approximation or introduction of initial values. To test the efficiency of the presented method, a comparative study with other extraction methods is done. The obtained results are in good agreement. [less ▲]

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See detailOptimal multi-subject fMRI experiments
Maus, Bärbel ULg; van Breukelen, Gerard J P; Goebel, R et al

Conference (2011)

Functional magnetic resonance imaging is a neuroimaging method which is used to study the human brain and its functional areas. In multi-subject fMRI experiments, data from several subjects is collected ... [more ▼]

Functional magnetic resonance imaging is a neuroimaging method which is used to study the human brain and its functional areas. In multi-subject fMRI experiments, data from several subjects is collected while these subjects perform each the same task of interest, e.g., passive viewing of houses presented on a screen, in the scanner. In my talk optimal designs for multi-subject fMRI experiments with fixed experimental budget are considered. The optimal combination of number of subjects and fMRI scanner time/imaging time per subject will be studied. Analytical and numerical results based on a linear mixed effects model with uncorrelated and correlated errors will be presented for common parameters of fMRI experiments. It will be shown how the optimal number of subjects and optimal scanner [less ▲]

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See detailImplant dans le secteur esthétique: choix du timing et de la technique chirurgicale
LAMBERT, France ULg

Conference (2011)

Les résultats esthétiques en implantologie sont déterminés par une harmonie tissulaire et prothétique. Plusieurs techniques chirurgicales sont décrites et le choix de celle-ci est déterminant pour obtenir ... [more ▼]

Les résultats esthétiques en implantologie sont déterminés par une harmonie tissulaire et prothétique. Plusieurs techniques chirurgicales sont décrites et le choix de celle-ci est déterminant pour obtenir un résultat esthétique optimal. Cet exposé décrit des techniques chirurgicales telles que: extraction/implantation immédiate, gestion d'alvéoles ou encore régénération osseuse. L'objectif est, à partir d'une situation clinique initiale, de déterminer le choix de la technique idéale ainsi que le timing chirurgical . [less ▲]

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See detailEvolution of livelihood strategy and income of the households in the coastal sandy area of the Central region, Vietnam : the case of Thua Thien Hue Province during period 2003-2008
Nguyen Dang, Hao; Lebailly, Philippe ULg

Conference (2011)

Based on livelihood approach and using both livelihood strategy participatory assessment and household survey data this study mainly focus on assessment of evolution of livelihood strategy and income of ... [more ▼]

Based on livelihood approach and using both livelihood strategy participatory assessment and household survey data this study mainly focus on assessment of evolution of livelihood strategy and income of households in the Coastal Sandy Zone of Thua Thien Hue Province. Findings indicated that livelihood strategies are very dynamic and considerable difference between the wealth categories of households and among the study sites. Although agriculture –based strategy is one of the most popular among the livelihood strategies there are considerable changes. Thanks to more specialization on livestock - non-farm business – aquaculture the better-off category has increased rapidly their income during 2003-2008 period. By contrast, due to more dependence on food crop, wage work and migration, income of the poor slowly improved at the same period. These findings implicate that in the context of rural development, support policies introduced by government have positively influenced on household income, but these general policies cannot meet the development needs from various locations as well as different household categories because there is marked difference in livelihood assets, human source, landholding, financial and social capitals in particular. [less ▲]

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See detailThe crystal chemistry of olivine-type phosphates
Hatert, Frédéric ULg; Ottolini, Luisa; Fontan, François et al

Conference (2011)

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See detailIntroduction à la théorie de la transition
Stassart, Pierre M ULg

Conference (2011)

Introductive conference for the 20 years of l'APERe on the transition theory.

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See detailLaïcité, dissensus, émancipation
Delruelle, Edouard ULg

Conference (2011)

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See detailModernization of animal products consumption in Hanoi, Northern Vietnam
Vu Dinh, Ton; Phan Dang, Thang; Do Duc, Luc et al

Conference (2011)

Global food crisis has played its negative effects on sustainable development. A question has been raised: how could the families in both rural and urban areas struggle against this present global food ... [more ▼]

Global food crisis has played its negative effects on sustainable development. A question has been raised: how could the families in both rural and urban areas struggle against this present global food crisis? This research aims at documenting household food consumption from January to October 2010 by interviewing with and operating a record keeping system of food consumption in 250 households of various income levels living in two different areas of Hanoi, the inner and suburban districts. There is variety of animal products consumed in each family of both areas. Indeed, pork meat, broiler chickens and freshwater fish were popularly used in all families; and broiler ducks are usually consumed in summer season. Furthermore, in the inner districts, there is a rise in the demand of red meats and aquatic products, particularly beef and seafood products. Home-made foods are still a major source of foods for all family members of most of families, however, families in urban areas tends to have breakfasts and lunches in restaurants. In rural areas, the soya curd (tofu) and self-made products from broiler chickens, vegetables, and the rice play an important role, occupying from 15% to 30% of food expenditures. In addition, pork meat and freshwater fish are usually bought in village markets. Through incomes of 82% of households are mainly from agricultural production or from between agriculture and off-farm activities, thanks to self-made products in most of households, the rural areas are not considerably influent by the present global food and financial crisis. Nevertheless, in order to achieve sustainable development, it is necessary to equip farmers with sufficient knowledge of practical agricultural production. [less ▲]

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See detailDiversity of governance in European cities: towards an indicators-based analysis of good governance?
Breuer, Christophe ULg

Conference (2011)

Nowadays, the attractiveness of cities and metropolitan areas seems to be a central challenge for competitiveness, territorial cohesion and economic development on a European and regional scale (European ... [more ▼]

Nowadays, the attractiveness of cities and metropolitan areas seems to be a central challenge for competitiveness, territorial cohesion and economic development on a European and regional scale (European Commission, 2009). The interest carried by actors of territorial development on large urban areas and metropolises is essentially explained by their relative weight in regional economies and their role of catalyst for sustainable development. In the absence of competitive cities, many experts estimate that territories cannot completely develop their socio-economic potential. This report is one of the bases of the strategy for city polycentric systems recommended by the development scheme of the European Community space (SDEC - European Commission, 1999), renewed in many strategic European “papers”. This strategy rose during the last decades whereas the dynamic affecting urban areas was strongly modified by the increase in mobility through two scales. On one hand, the intra-urban scale refers to processes of exurbanisation, urban sprawl, as well as functional and institutional fragmentation. On the other hand, the interurban scale has shown phenomenons of metropolisation and an increase in exchanges between cities. Cities changes, networks and urban hierarchies which result from this dynamic, apply new tensions on urban areas - in particular the biggest of them. Theses tensions have to be answered to avoid any loss of competitiveness. In this context, the ‘good governance’ of urban areas is often presented like an essential factor for their development. It is necessary to understand through the notion of “governance” the definition from Le Galès (1995) that is “a process of coordination of actors, social groups, and institutions to achieve clear goals discussed and defined collectively in split up environments”. Thus, cities governance (but also networks of cities) acts on the whole “city system” through all its complexity. The predominant role of governance generally takes the shape of a postulate, as well in the scientific world as in the active and political discourse. Nevertheless, the relation between the governance of urban areas/ cities/ metropolises and their absolute versus relative evolution in networks is not a subject for abundant theoretical studies nor empirical validations. Considering its rasing importance within territorial development policies, it must be clarified allowing a new and quantified highlight on strategies of most important urban areas. While general objectives of urban “good governance” are clearly identified in many documents, concrete impacts of governance on the urban development are ambiguous and unclear. In addition, the definition of “good governance” is regularly paradigm-oriented and often dedicated to the third world or emergent countries (as heritage of many international organisations politic which promotes development and trade efficiency). Furthermore, it appears that former studies on European and North-American cities are relatively factual and suggest a poor typology of the governance in urban areas. They are consequently not very useful for the development of a conceptual model that associates competitiveness of cities and urban governance. Consequently, our research aims at considering the impacts of governance on cities and metropolises through a set of “keys to understanding” theoretically based. We lead our work to a critical analysis of literature in order to highlight expected interactions between governance and urban territories. The construction of a conceptual scheme of interactions will allow the identification of useful indicators of governance. The identification of a set of indicators to measure governance characteristics is valuable for an objective analysis in this field of research. It should allow more precise analyses and the construction of typologies that include multi-dimensional sides of governance. We will focus our attention on European metropolises and cities systems taking into account European specificities of towns, territories and political contexts. As described above, the study is based on reviewing the state-of-art of governance theories (transaction cost, path dependency, management efficiency, etc.) and on exploiting literature about cities competitiveness (characteristics of competitive cities, measurements...). Our conceptual development of a scheme of interactions between governance and urban territories will allow to deal with the issue of governance indicators. Our theory will be tested through samples of European cities (> 500.000 inhabitants). Existing databases will allow the processing of many indicators at the European scale. The choice of a set of indicators will be carried out on the basis of discriminating statistical analysis and conceptual model of interaction allowing the reduction of the variables number. The critical analysis will take into account papers from European Commission and national governments about “good governance” and “cities management”. [less ▲]

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See detailOperational Entanglement classification of symmetric N-qubit states
Bastin, Thierry ULg

Conference (2011)

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See detailConvergences citoyennes éoliennes: coopérations territoriale et transition
Stassart, Pierre M ULg

Conference (2011)

This oral communication develop the hypothese of territorial governance around windfarm participation and the citizen cooperatives

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See detailInvolvement of z-MMP-2 in Zebrafish lymphangiogenesis
Paupert, Jenny ULg; Pendeville, Hélène; Detry, Benoît ULg et al

Conference (2011)

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See detailRendre sensible
Havelange, Carl ULg

Conference (2010, December 17)

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See detailMédiations sur le marché du travail des comédiens. Une étude de cas
Orianne, Jean-François ULg

Conference (2010, December 17)

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See detailImpact of Climate change on inundation hazard along river Meuse
Dewals, Benjamin ULg; Detrembleur, Sylvain ULg; Archambeau, Pierre ULg et al

Conference (2010, December 16)

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See detailCarbon cycle dynamics during interglacials
Brovkin, V; Kleinen, T; Ganopolski, A et al

Conference (2010, December 16)

Explaining a difference in atmospheric CO2 dynamics among interglacials is an elusive issue. Several biogeochemical mechanisms of different origin are involved in interglacial CO2 dynamics leading to a ... [more ▼]

Explaining a difference in atmospheric CO2 dynamics among interglacials is an elusive issue. Several biogeochemical mechanisms of different origin are involved in interglacial CO2 dynamics leading to a CO2 release from the ocean (carbonate compensation, coral growth) compensated by a land carbon uptake (biomass and soil carbon buildup, peat accumulation). The balance between these fluxes of CO2 is delicate and time-dependent, and it is not possible to provide firm constraints on these fluxes from proxy data. The best framework for quantification of all these mechanisms is an Earth System model that includes all necessary physical and biogeochemical components of the atmosphere, ocean, and land. To perform multi-millennial model integrations through the Holocene and Eemian, we use an intermediate complexity climate model, CLIMBER-2, coupled to the LPJ DGVM model with recently implemented boreal peatland module. The global carbon cycle is never in complete equilibrium during the glacial cycles due to changes in small but persistent fluxes such as terrestrial weathering. This complicates setting up the interglacial runs as the usual approach to start model integration from equilibrium state is not valid anymore. To by-pass this problem of non-equilibrium initial conditions, the model is initialized with the oceanic biogeochemistry state taken from a transient CLIMBER-2 simulation through the last glacial cycle. In this simulation, the CLIMBER-2 model was run through the last glacial cycle with carbon cycle in “offline mode” as interactive components of the physical climate system (atmosphere, ocean, ice sheets) were driven by concentration of greenhouse gases reconstructed from ice cores. In response to simulated climate change, the carbon cycle model was able to reproduce the main features of glacial CO2 dynamics reconstructed from ice cores. Results of the CLIMBER-LPJ model integrations through the Holocene and Eemian interglacials in terms of climate changes and atmospheric CO2 and d13CO2 dynamics will be presented. [less ▲]

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See detailAssociation inhibiteurs calciques / inhibiteurs du SRAA : l'avenir?
Krzesinski, Jean-Marie ULg

Conference (2010, December 16)

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See detailAUTOMATIC CARGO LOAD PLANNING
Limbourg, Sabine ULg

Conference (2010, December 14)

The aircraft loading problem is a real-world combinatorial optimisation problem highly constrained. Indeed, loading the aircraft so the gross weight is less than the maximum allowable is not enough. This ... [more ▼]

The aircraft loading problem is a real-world combinatorial optimisation problem highly constrained. Indeed, loading the aircraft so the gross weight is less than the maximum allowable is not enough. This weight must be distributed to keep the centre of gravity (CG) within specified limits. Balance control refers to the location of the CG. Both lateral and longitudinal balances are important in order to minimize fuel consumption and to satisfy stability and safety requirements. Moreover, an aircraft has usually several cargo compartments with specific contours and structural limitations such as floor loading, combined load limits and cumulative load limitations. The topic of this talk is the description of a mixed integer linear program for the problem of loading a set of Unit Loading Devices (ULDs) and bulk into an aircraft. An ULD can be a container or a pallet and is characterised by the type, contour, weight and height. Experimental results for real data sets show that the model achieves better balanced solutions in only a few seconds compared to the solution obtained by load masters. [less ▲]

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See detailLe divorce en droit international privé
Pfeiff, Silvia ULg

Conference (2010, December 14)

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See detailUsing geostatistical constraints in electrical imaging for improved reservoir characterization
Martin, Roland; Kemna, Andreas; Hermans, Thomas ULg et al

Conference (2010, December 14)

Developing predictive models of reservoirs is often complicated by the spatial heterogeneities and the different scales which control flow and transport processes. In numerous studies over the past two ... [more ▼]

Developing predictive models of reservoirs is often complicated by the spatial heterogeneities and the different scales which control flow and transport processes. In numerous studies over the past two decades, geophysical imaging techniques have proved very useful for reservoir characterization. However, the loss of resolution and the non-uniqueness of standard solutions to inverse problems strongly limit the use of such deterministic imaging approaches. On the other hand, the use of common geostatistical approaches for reservoir characterization, for instance from logging information, may be a difficult task, since accurate variogram information is difficult to obtain (dense sampling in the vertical and lateral directions), and also because a high number of conditioned simulations is needed to remove statistical bias. Combining the high spatial sampling of deterministic geophysical imaging methods with geostatistical constraints, valid in the whole image plane, appears as a very promising approach to enhance reservoir characterization. To do so, we use a parameterized model covariance matrix based on standard variogram functions and a prior model as regularization operator in the inversion of electrical resistance data. This way of including additional data is not restricted to electrical data but the variogram parameters may be also inferred from for example available textural or lithological information. The benefit of the presented approach is twofold: (i) It honors the spatial statistics of the reservoir and (ii) it alters the posterior model by further reducing model ambiguity inherent to the inversion compared to classical (smooth model) regularization. The proof of concept is given by synthetic studies carried out on random fields from Gauss simulations with varying (an)isotropic scale lengths using different model (co)variogram functions. We also demonstrate the approach on electrical field data combined with borehole electromagnetic data from two artificial sea inlets in the nature reserve "The Westhoek" near the French-Belgian border. The electromagnetic logs were used to calculate an experimental vertical variogram characteristic of the study site. The results enabled to determine the extension of the salt water plume laterally, and significantly enhance its extension in depth, but also in terms of total dissolved solid content. These observations are in agreement with the hydrogeological situation at the site. A comparison with borehole data shows that the results are much more plausible than results obtained with a traditional smoothness constraint used as regularization operator. In conclusion, the incorporation of geostatistical information, vertical variograms in our case, in the inverse process improves imaging capabilities for reservoir characterization significantly. [less ▲]

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See detailLa question des sources néo-platoniciennes dans l'aristotélisme de Brentano
Boccaccini, Federico ULg

Conference (2010, December 11)

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See detailStrategies of renal preservation after kidney surgery
Krzesinski, Jean-Marie ULg

Conference (2010, December 11)

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See detailPrécarité et parentalité difficile : une aide coordonnée au bénéfice de l’enfant. « Seconde Peau », le projet de maisons médicales et d’hôpitaux liégeois
Vanmeerbeek, Marc ULg

Conference (2010, December 11)

Une collaboration entre des centres de santé de première ligne (maisons médicales) et des services hospitaliers (Service SOS Familles du CHC - Liège et maternité universitaire au CHR de la Citadelle ... [more ▼]

Une collaboration entre des centres de santé de première ligne (maisons médicales) et des services hospitaliers (Service SOS Familles du CHC - Liège et maternité universitaire au CHR de la Citadelle - Liège) a permis de mettre sur pieds une intervention précoce dans le milieu de vie au bénéfice de nourrissons et jeunes enfants victimes de négligence ou de troubles de l'attachement. [less ▲]

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See detailComa and head traumatism
Martin, Didier ULg

Conference (2010, December 11)

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See detailQu’est-ce que l’intuition catégoriale ?
Gyemant, Maria ULg

Conference (2010, December 10)

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See detailOptimisation of new biodegradable microcarriers tailored for tissue engineering
Tsoy, A; Sevrin, Chantal ULg; Köttgen, Cindy et al

Conference (2010, December 10)

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See detailErgonomic analysis in chronic low back pain workers
Mairiaux, Philippe ULg

Conference (2010, December 10)

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See detailFormation professionnelle et approche par les capacités
Orianne, Jean-François ULg; Remy, Céline ULg

Conference (2010, December 10)

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See detailWhat can Mass Spectrometry do for Toxinology?
Quinton, Loïc ULg

Conference (2010, December 10)

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See detailDévelopper les transmodalités.
Strivay, Lucienne ULg

Conference (2010, December 10)

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See detailLa voix universelle kantienne, une voix ordinaire ? Cavell lecteur de Kant
Gauvry, Charlotte ULg

Conference (2010, December 10)

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See detailHaec est ergo fides nostra, per quam salvi eritis. Quand le salut du roi exigeait celui de son peuple.
Close, Florence ULg

Conference (2010, December 10)

Les capitulaires royaux et impériaux carolingiens des VIIIe et IXe siècles regorgent d’injonctions faites aux évêques et aux prêtres de veiller à la formation religieuse du peuple franc. De nombreuses ... [more ▼]

Les capitulaires royaux et impériaux carolingiens des VIIIe et IXe siècles regorgent d’injonctions faites aux évêques et aux prêtres de veiller à la formation religieuse du peuple franc. De nombreuses précisions y sont apportées relatives tant à la matière à enseigner qu’aux moyens autorisés par le ou les souverain(s) pour contraindre hommes, femmes et enfants de toutes conditions à s’instruire. A leur lecture, il devient évident que Charlemagne et ses successeurs se sentaient personnellement responsables du salut de leur peuple et qu’ils restèrent en permanence soucieux de mener à bien cette mission. Cette communciation revient sur ces injonctions et propose quelques réflexions sur la conviction qu’avaient les souverains carolingiens d’être responsables de la formation religieuse du peuple. L'auteur considère les moyens – pédagogiques et coercitifs, menaces spirituelles et pénales – mis en œuvre, d’abord dans l’empire de Charlemagne et de Louis les pieux, puis dans les royaumes issus du traité de Verdun, pour faire adhérer le peuple à la foi chrétienne, en attachant une attention toute particulière aux motivations politiques et idéologiques des souverains. [less ▲]

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See detailFootball et art contemporain: exposition fragmentée et narration mosaïque
Hamers, Jérémy ULg

Conference (2010, December 09)

Considérant que la représentation télévisuelle d’un match de football peut être pensée comme le produit d’un dispositif défini par un ensemble de codes « classiques », nous interrogeons quelques oeuvres ... [more ▼]

Considérant que la représentation télévisuelle d’un match de football peut être pensée comme le produit d’un dispositif défini par un ensemble de codes « classiques », nous interrogeons quelques oeuvres issues du champ de l’art contemporain (Deep Play de Harun Farocki, Heisenbergs Offside de Jules Spinatsch, Zidane : A 21st Century Portrait de Douglas Gordon et Philippe Parreno, etc.) qui s’emparent de ce spectacle télévisuel pour s’affranchir de ses codes. Dans le passage de ce spectacle à l’univers de l’art contemporain, c’est le dépassement de l’écran unique, du carcan narratif de la durée de jeu, de la subordination du découpage à la circulation du ballon, et du tout pouvoir de l’image analogique et donc « réaliste » qui est en jeu. Notre analyse de "Deep Play" (H. Farocki) tout particulièrement démontre qu’en vertu de son passage à l’espace muséal – qui déplace mais conserve aussi dans une certaine mesure l’aspect ludique de l’objet originel – le spectacle du football se voit doté d’une nouvelle dynamique narrative proche de celle de la mosaïque. Ce modèle mosaïque, contenu implicitement (mais bridé aussi) dans le spectacle à acteurs multiples et sur grande surface, autorise alors une nouvelle appréhension de ce spectacle comme objet fragmenté. [less ▲]

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See detail"Femmes de valeur" et "Hommes nouveaux": renégociation du féminin et du masculin au sein du ministère du combat spirituel de mama Olangi (Bruxelles-Kinshasa
Meiers, Bénédicte ULg

Conference (2010, December 09)

approche ethnographique des rapports sociaux de sexe tels qu’ils se redéfinissent au sein du ministère du Combat spirituel, mouvement pentecôtiste évangélique parti du Congo-Kinshasa à la conquête des ... [more ▼]

approche ethnographique des rapports sociaux de sexe tels qu’ils se redéfinissent au sein du ministère du Combat spirituel, mouvement pentecôtiste évangélique parti du Congo-Kinshasa à la conquête des grandes villes et qui s'inscrit dans cette vague de pentecôtisation du religieux accompagnant la transformation sociopolitique des sociétés depuis plusieurs décennies. [less ▲]

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See detailOn the road to inclusion and respect for diversity : challenges for a quality. An experience being led in the French Community of Belgium
Camus, Pascale ULg

Conference (2010, December 08)

The conference has been centred on an approach of conditions that make each and every child really feel welcome in ECEC services. Following the European childcare network activities in the nineties, the ... [more ▼]

The conference has been centred on an approach of conditions that make each and every child really feel welcome in ECEC services. Following the European childcare network activities in the nineties, the French Community Government (Belgium) has decided to issue the Quality and Care Code : every person who takes care of a child aged 0 to 12 has to elaborate and implement an educational project called in French “projet d’accueil”. This project has to follow the objectives defined by the Quality and Care Code. There is an essential challenge, on various levels of course, but more specifically in terms of development of ECEC services quality : services should be accessible to every child and his family. A short stop on what is meant by “quality of ECEC services” has been proposed. [less ▲]

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See detailTraces of early life in 3.2 Ga old mud: an analog for the search for life on Mars
Javaux, Emmanuelle ULg

Conference (2010, December 08)

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